Comment 10 for bug 1374968

> 2. Mount it with the following options: rw,noexec,inode64,logbsize=256k,delaylog,nodev,noatime,nodiratime,user_xattr,data=writeback

The recommended filesystem for OSD storage is XFS. Unlike ext[34] it has a single journaling algorithm
(which is somewhat similar to data=writeback of ext[34]). Therefore there's no mount option(s) which
specify the journaling algorithm (which is what data=writeback|ordered|journal does for ext[34]]).

noexec,nodev have no effect on performance

delaylog is the XFS' default
inode64 is enabled on 64-bit systems by default
user_xattr is not a valid XFS mount option (extended attributes are always enabled)